289355978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{69859}}^1$

素因数の和:69989

約数の個数: 16

約数和(自身を含む): 461076000

約数和(自身を除く): 171720022

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 69859, 139718, 1327321, 2654642, 7614631, 15229262, 144677989, 289355978]

約数ペア:

[(1, 289355978), (2, 144677989), (19, 15229262), (38, 7614631), (109, 2654642), (218, 1327321), (2071, 139718), (4142, 69859)]